APA (7th ed.) Zitazioa
AWWA Standards Committee on Fire Hydrants & ebrary, Inc. (2006). Installation, field testing, and maintenance of fire hydrants (4th ed.). American Water Works Association.
Chicago Style (17th ed.) Zitazioa
AWWA Standards Committee on Fire Hydrants eta Inc ebrary. Installation, Field Testing, and Maintenance of Fire Hydrants. 4th ed. Denver, Colo.: American Water Works Association, 2006.
MLA (9th ed.) Zitazioa
AWWA Standards Committee on Fire Hydrants eta Inc ebrary. Installation, Field Testing, and Maintenance of Fire Hydrants. 4th ed. American Water Works Association, 2006.
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